10 - No Picture: All Model - Sony KDL-32W700B Service Manual

Troubleshooting
RB2G CHASSIS
W700B/ W800B

2.5-10 - NO PICTURE: ALL MODEL

2-6. No Picture 2-6 No Picture
2-6-17. All Model
No Picture
Is blue picture
on display?
(Factory SW
is booted)
・ ・
Yes
B-Board is OK.
Check:
Tuner - No Picture
HDMI - No Picture
Chassis: RB2G, HE-L
PANEL_VCC = +12V
HS,HT(BAX): JL9137 , ( )
HE,HM (BAX-L):
JL9132
Check
PANEL_VCC
No
at JIG LAND
on the B* Board
No
G-Board or
Adaptor NG
Ext Video Input - Ext. Video Input -
No Picture
BL_ON (L or H): JL9105
BL_ON：H
Check
Yes
BL_ON at JIG LAND
on the B* Board
BL_ON：L
Replace Harness
between G-Board/LD-Board
to B-Board
NG NG
NG
Change B-Board
Symptom
improvement
B-Board NG
Replace
NG
the LVDS FFC
Harness
Symptom
improvement
LVDS FFC
Harness
Symptom S
Replace G-Board/LD-Board to
improvement
B-Board Harness
Change G-Board
/ LD board
Chassis: RB2G, HE-L
LCD Panel
(T-CON)
113